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参数资料
型号： PIC32MX575F256L-80I/BG
厂商： Microchip Technology
文件页数： 47/64页
文件大小： 0K
描述： IC MCU 32BIT 256KB FLASH 121XBGA
特色产品： 32-Bit PIC? Microcontroller
PIC32 32-Bit MCU Families
标准包装： 184
系列： PIC® 32MX
核心处理器： MIPS32? M4K?
芯体尺寸： 32-位
速度： 80MHz
连通性： CAN，I²C，SPI，UART/USART，USB OTG
外围设备： 欠压检测/复位，DMA，POR，PWM，WDT
程序存储器容量： 256KB（256K x 8）
程序存储器类型： 闪存
RAM 容量： 64K x 8
电压 - 电源 (Vcc/Vdd)： 2.3 V ~ 3.6 V
数据转换器： A/D 16x10b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 121-TFBGA
包装： 托盘
产品目录页面： 650 (CN2011-ZH PDF)
2007-2012 Microchip Technology Inc.
DS61145K-page 51
PIC32MX
18.2 Device Code Protection bit (CP)
The PIC32MX family of devices features a single
device Code Protection bit (CP). When CP is
programmed to ‘0’, boot Flash and program Flash are
protected from being read or written by an external pro-
gramming device. When code protection is enabled,
only the Device ID and User ID registers are available
to be read by an external programmer. However, Boot
Flash and program Flash memory are not protected
from self-programming during program execution when
code protection is enabled.
18.3 Program Write Protection bits (PWP)
In addition to a device Code Protection bit, CP, the
PIC32MX devices also feature Program Write Protection
bits (PWP) to prevent boot Flash and program Flash
memory regions from being written during code
execution.
Boot Flash memory is write-protected with a single
Configuration
bit,
BWP
(DEVCFG0<24>),
when
programmed to ‘0’.
Program Flash memory can be write-protected entirely
or in selectable page sizes using Configuration bits
PWP<7:0> (BCFG0<19:12>). A page of program Flash
memory is 4096 bytes (1024 words) or 1024 bytes (256
words). The PWP bits represent the 1’s complement of
the
number
of
protected
pages.
For
example,
programming PWP bits = 0xFF selects 0 pages to be
write-protected, effectively disabling the program Flash
write protection. Programming PWP bits = 0xFE
selects the first page to be write-protected. When
enabled, the write-protected memory range is inclusive
from
the
beginning
of
program
Flash
memory
(0xBD00_0000) up through the selected page.
The amount of program Flash memory available for
write protection depends on the family device variant.
See the “Special Features” chapter in the specific
device data sheet for details.
Note:
Once code protection is enabled (CP = 0),
it can only be disabled (CP = 1) by erasing
the device with the Chip Erase command
(MCHP_ERASE)
using
an
external
programming device. See Section 9.0
“Erasing the Device”.
Note:
The
PWP
bits
represent
the
1’s
complement of the number of protected
pages.
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相关代理商/技术参数
参数描述
PIC32MX575F256L-80IPF 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:PIC32MX575FXXXX USB, CAN and Ethernet 32-bit Flash Microcontroller
PIC32MX575F256L-80IPT 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:PIC32MX575FXXXX USB, CAN and Ethernet 32-bit Flash Microcontroller
PIC32MX575F256L-80V/BG 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG CAN 80MHz 10BIT RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
PIC32MX575F256L-80V/PF 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG CAN 80MHz 10BIT RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
PIC32MX575F256L-80V/PT 功能描述:32位微控制器 - MCU 256KB 64KBRM USB-OTG CAN 80MHz 10BIT RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
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